Valve facer



July 15 19274'.

Filed Jn. i8. 11923 @vih/wos :55 (5 ZE i? @gm i l l Patented July 15,19,24.

UNITED STATES WILLIAM H. BEITZ, 0F LOMIRA, WISCONSIN.

VALVE FACER.

Application filed January 18, 1923. Serial No. 613,469.

To all tti/tom t may concern Be it know that I, IVILLIAM H. Bnrrz, acitizen of the United States, residing at Lomira, in the county of Dodgeand State of lVisconsin, have invented certain new and usefulImprovements in Valve Facers; and I do declare the following to be afull, clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame.

lwIy invention relates to tools for facing valves, suoli as those usedupon gas engines, the object being to provide a device of this characterwhich is of extreme simplicity and is therefore comparativelyinexpensive, vet is highly efcient and durable, for use in connectionwith valves of different sizes.

lVith the foregoing in view, the invention resides in the novel subjectmatter hereinafter described and claimed, the description beingsupplemented by the accompanying drawing.

Figure 1 is a perspective view of valve facing tool constructed inaccordance with my invention.

Figure 2 is a vertical longitudinal sectional view.

Figure 3 is a detail transverse sectional view as indicated by lineS-flof Fig. 2.

In the drawing above briefly described, the numeral 1 designates aone-piece body which is preferably in the forni of a casting, said bodycomprising a horizontal cylindrical bearing 2, a base 3 below saidbearing adapted for rigid mounting upon a work-bench or the like, a neck4 integrally connecting the bearing 2 with the base 3, and a horizontalarm 5 extending forwardly from the neck el with its lower side integralwith the base 8, said arm being parallel with the axis of the bearing 2.

The numeral 6 designates cylindrical cutter head having a flat rear end7 provided with a central rearwardly extending bearing stub S of tubularform, said stub being received snugly in the bearing 2 and beingremovably held in this bearing by a set screw 9. rIhe front end of thecutter head 6 is formed with a substantially conical recess 10 and isprovided with suitable cutters 11 at the wall of said recess for facinga valve said cutters being preferably removable in order that they maybe readily sharpened. For guiding the valve stem while the valve isbeing faced, I furnish a plurality of bushings with the tool, any one ofwhich may be received snugly yet removably7 in the bearing stud 8, asindicated at 12 in Figs. 2 and and for the purpose of t-ightly holdingthe valve against the cutters 11 and feeding it as required, I make useof a suitable screw 13 whose valve-engaging end is preferably providedwith a swiveled foot 14 while its front end is equipped with anappropriate handle 15. The screw 13 is threaded through the upper end ofa substantially upright arm 16 which contacts with the flat front end ofthe horizontal arm 5 above described, said arm 16 being connected withsaid arm 5 by a clamping screw 17 which passes loosely through theformer and is threaded into the latter. By tightening this screw, thearm 16 may be rigidly held in upright position for use but when thescrew is loosened, said arm 16 may be swung downwardly after firstbacking out the screw 13 to a sufficient eX- tent, thus permitting thevalve to be readily removed. It will also be understood that wheninserting the valve, the arm 16 is in a lowered position.

For the purpose of rotating the valve against the cutters 11, anysuitable means may be employed, but I prefer to make use of a` handcrank 1S having a set-screw 19 by means of which it may be secured tothe valve stem.

In actual use, the invention has proven very eflicient and desirable andI therefore prefer to follow the details of construction 'which havebeen disclosed. However, within the scope of the invention as claimed,changes in form, proportion and minor de tails may well be made.

I claim:

A valve facing tool comprising a substantially cylindrical body having alongitudinally extending horizontally disposed pas.- sage, said bodybeing provided wth a depending neck terininating in a flaredsupport-engaging base adapted to be firmly secured upon a support, anarm extending from the depending neck and merging into said base andextending beyond the forward end of the base and having its forward endportion provided with a longitudinally eX- tending threaded socketextending parallel to the axis of the passage in said body, an enlargedcutter head fitting against the forward end of said body and having ahollow shank extending through the passage in said body and held againstrotation therein, said head having a e'onieal pocket leading from itsforward endr` a bushing removably itting in the hollow shank forrotatably receiving the Stem of avalve having its head positioned in theconical ree-ess of said head, radially diSposed cutting blades removablylitting in grooves formed in the Walls of said recess for trimming these'ac-engo'ging face of said valve head when the 1valve is rotatedthrough the ined'nnn of a turning device removably connected with thevalve Stem beyond the rear "end of said shank `and bushing,

an arm having an opening registering with 'The Threaded socket, 'afastener bolt passing Through the opening in Said arm and :Screwed intosaid threaded socket to mount the arm for swinging movement, theSwinging arm being provided in its free end portion with a tlneadedopening for axial alinelnent with said bushingl when in place, apressure screw in lthe Ll'lreaded opening of said arm, and a foot forengaging; the Valve head. swiyeled upon `the end of said vpressurescrew.

VIn Ate'tiinony whereof I have hereunto aixed my signature. Y

WILLIAM H. BEITZ.

